package week4;

/**
 * Created by mc on 2017/3/19.
 */
/*
interface Some73{
    void doSome3();
}
class SomeImpl73 implements Some73{
    void doSome73{
        System.out.println("做一些事");
    }
}
public class san
{
    public static void main(String[] arges)
    {
        Some3 s=new SomeImpl73;
        s.doSome73;
    }}
    */